Ammonia Very Short Ans Concise Class-10 ICSE Chemistry Selina Solutions Chapter-9. We Provide Step by Step Answer of Very Short Ans Questions of Exercise-9 for ICSE Class-10. The given Solutions is according to the Latest editions. Visit official Website CISCE for detail information about ICSE Board Class-10.

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Ammonia Very Short Ans Concise Class-10 ICSE Chemistry Selina Solutions Chapter-9

Very Short Answer Questions on Ammonia

Page-164

Que-1: Name:

(a) The gas which is prepared by Haber’s process
(b) Two gases which give dense white fumes with ammonia
(c) One salt of ammonia in each case which is used in :
(i) Dry cell (ii) explosives (iii) medicine.
(d) An acidic gas which reacts with basic gas liberating a neutral gas.
(e) A metallic chloride soluble in ammonium hydroxide.
(f) The gas obtained when ammonia burns in an atmosphere of oxygen without any catalyst.
(g) A nitride of a divalent metal which reacts with warm water liberating ammonia.
(h) An amphoteric oxide reduced by the basic gas.
(i) A white salt produced by an acid gas and a basic gas.
(j) The gas that burns in oxygen with a green flame.
(k) The gas produced when excess ammonia reacts with chlorine.
(l) The white crystalline solid that is soluble in water. It liberates a pungent smelling gas when heated with sodium hydroxide solution.
(m) An alkaline gas which produces dense white fumes when reacted with HCl gas.

Ans:
(a) Ammonia
(b) Hydrogen chloride and chlorine gas.
(c) (i) Ammonium chloride
(ii) Ammonium nitrate
(iii) Ammonium carbonate
(d) Acidic gas: HCl
Basic gas: Ammonia
Neutral gas: NH₄Cl
(e) Silver chloride
(f) Nitrogen
(g) Magnesium nitride
(h) Lead oxide
(i) Ammonium chloride
(j) Ammonia (NH₃)
(k) Nitrogen 8NH₃ [excess] + 3Cl₂ ⟶ 6NH₄Cl + N₂
(l) Ammonium salts like ammonium chloride, ammonium sulphate
(m) Ammonia gas NH₃ + HCl ⟶ NH₄Cl

Que-2: Fill in the blank from the choices given in brackets: 

(a) Ammonia gas is collected by …………. [upward displacement of air, downward displacement of water downward displacement of air].
(b) Ammonia reacts with excess chorine to form …………… (nitrogen / nitrogen trichloride / ammonium chloride).

Ans:
(a) Downward displacement of air.
(b) Ammonia reacts with excess chlorine to form nitrogen trichloride
NH₃ + 3Cl₂ [excess] ⟶ 3HCl + NCl₃

Que-3: Complete the blanks (i) to (v) in the passage given using the following words. [Ammonium, reddish brown, hydroxyl, nitrogen dioxide, ammonia, dirty green, alkaline, acidic]. 

In the presence of a catalyst, nitrogen and hydrogen combine to give (i) ………. gas. When the same gas is passed through water, it forms a solution which will be (ii) ………… in nature and will contain the ions (iii) ………… and (iv) ………… A (v) …………coloured precipitate of iron [H] hydroxide is formed when the above solution is added to iron [II] sulphate solution.

Ans:
(i) Ammonia
(ii) Alkaline
(iii). Ammonium
(iv) Hydroxyl
(v) Dirty green

Que-4: Name the gas evolved when the following mixtures are heated are;

(a) Calcium hydroxide and Ammonium Chloride
(b) Sodium Nitrite and Ammonium Chloride

Ans:
(a) Ammonia
(b) Nitrogen

Que-5: Name a compound prepared by ammonia and is used as:

(a) Explosive
(b) Fertilizers
(c) Medicine
(d) Laboratory reagent

Ans:
(a) Explosive: ammonium nitrate
(b) Medicine: ammonium carbonate
(c) Fertilizers: ammonium sulphate
(d) Laboratory reagent: ammonia solution

Que-6: From the list of gases – ammonia, ethane, hydrogen chloride, hydrogen sulphide, select the gas which is used as a reducing agent in reducing copper oxide to copper.

Ans: Ammonia (NH₃)

—:  End of Study of Compounds-Ammonia Very Short Ans Concise Class-10 ICSE Chemistry Selina Solutions : –

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